added TDISP - experimental

drivers/tdisp/HD44780/tdisp_lld.c

@@ -0,0 +1,87 @@
+/*
+    ChibiOS/GFX - Copyright (C) 2012
+                 Joel Bodenmann aka Tectu <joel@unormal.org>
+
+    This file is part of ChibiOS/GFX.
+
+    ChibiOS/GFX is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 3 of the License, or
+    (at your option) any later version.
+
+    ChibiOS/GFX is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+/**
+ * @file    drivers/tdisp/HD44780/tdisp_lld.c
+ * @brief   TDISP driver subsystem low level driver source for the HD44780 display
+ *
+ * @addtogroup TDISP
+ * @{
+ */
+
+#include "ch.h"
+#include "hal.h"
+#include "gfx.h"
+
+#if GFX_USE_TDISP /*|| defined(__DOXYGEN__)*/
+
+#ifndef TDISP_ROWS
+	#define TDISP_ROWS		16
+#endif
+#ifndef TDISP_COLUMNS
+	#define TDISP_COLUMNS	2
+#endif
+
+#include "tdisp_lld_board_example.h"
+
+void TDISP_LLD(write_cmd)(uint8_t data) {
+	setpin_rs(FALSE);
+	setpin_rw(FALSE);
+
+	write_bus(data);
+
+	setpin_e(TRUE);
+	chThdSleepMicroseconds(1);
+	setpin_e(FALSE);
+	chThdSleepMicroseconds(5);
+}
+
+void TDISP_LLD(write_data)(uint8_t data) {
+	setpin_rs(TRUE);
+	setpin_rw(FALSE);
+
+	write_bus(data);
+
+	setpin_e(TRUE);
+	chThdSleepMicroseconds(1);
+	setpin_e(FALSE);
+	chThdSleepMicroseconds(5);
+}
+
+bool_t TDISP_LLD(init)(void) { 
+	/* initialise hardware */
+	init_board();
+
+	/* initialise controller */
+	chThdSleepMilliseconds(50);
+	TDISP_LLD(write_cmd)(0x38);
+	chThdSleepMilliseconds(64);
+	TDISP_LLD(write_cmd)(0x0f);	
+	chThdSleepMicroseconds(50);
+	TDISP_LLD(write_cmd)(0x01);
+	chThdSleepMilliseconds(5);
+	TDISP_LLD(write_cmd)(0x06);
+	chThdSleepMicroseconds(50);
+
+	return TRUE;
+}
+
+#endif /* GFX_USE_TDISP */
+

drivers/tdisp/HD44780/tdisp_lld.mk

@@ -0,0 +1,6 @@
+# List the required driver.
+GFXSRC += $(GFXLIB)/drivers/tdisp/HD44780/tdisp_lld.c
+
+# Required include directories
+GFXINC += $(GFXLIB)/drivers/tdisp/HD44780
+

drivers/tdisp/HD44780/tdisp_lld_board_example.h

@@ -0,0 +1,63 @@
+/*
+    ChibiOS/GFX - Copyright (C) 2012
+                 Joel Bodenmann aka Tectu <joel@unormal.org>
+
+    This file is part of ChibiOS/GFX.
+
+    ChibiOS/GFX is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 3 of the License, or
+    (at your option) any later version.
+
+    ChibiOS/GFX is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+/**
+ * @file    drivers/tdisp/HD44780/tdisp_lld_board_example.h
+ * @brief   TDISP driver subsystem board interface for the HD44780 display
+ *
+ * @addtogroup TDISP
+ * @{
+ */
+
+#ifndef _TDISP_LLD_BOARD_H
+#define _TDISP_LLD_BOARD_H
+
+void init_board(void) {
+	palSetGroupMode(GPIOE, PAL_WHOLE_PORT, 0, PAL_MODE_OUTPUT_PUSHPULL);
+	palSetGroupMode(GPIOD, PAL_WHOLE_PORT, 0, PAL_MODE_OUTPUT_PUSHPULL);
+}
+
+void setpin_e(bool_t state) {
+	if(state)
+		palSetPad(GPIOE, 2);
+	else
+		palClearPad(GPIOE, 2);
+}
+
+void setpin_rs(bool_t state) {
+	if(state)
+		palSetPad(GPIOE, 0);
+	else
+		palClearPad(GPIOE, 0);
+}
+
+void setpin_rw(bool_t state) {
+	if(state)
+		palSetPad(GPIOE, 1);
+	else
+		palClearPad(GPIOE, 1);
+}
+
+void write_bus(uint8_t data) {
+	palWritePort(GPIOD, data);
+}
+
+#endif /* _TDISP_LLD_BOARD_H */
+

drivers/tdisp/HD44780/tdisp_lld_config.h

@@ -0,0 +1,44 @@
+/*
+    ChibiOS/GFX - Copyright (C) 2012
+                 Joel Bodenmann aka Tectu <joel@unormal.org>
+
+    This file is part of ChibiOS/GFX.
+
+    ChibiOS/GFX is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 3 of the License, or
+    (at your option) any later version.
+
+    ChibiOS/GFX is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+/**
+ * @file    drivers/tdisp/HD44780/tdisp_lld_config.h
+ * @brief   TDISP Driver subsystem low level driver header for the HD44780 display.
+ *
+ * @addtogroup TDISP
+ * @{
+ */
+
+#ifndef _TDISP_LLD_CONFIG_H
+#define _TDISP_LLD_CONFIG_H
+
+#if GFX_USE_TDISP
+
+/*===========================================================================*/
+/* Driver hardware support.                                                  */
+/*===========================================================================*/
+
+#define TDISP_DRIVER_NAME				"HD44780"
+#define TDISP_LLD(x)					tdisp_lld_##x##_HD44780
+
+#endif	/* GFX_USE_TDISP */
+
+#endif	/* _TDISP_LLD_CONFIG_H */
+/** @} */

gfx.mk

@@ -7,6 +7,7 @@ GFXINC +=   $(GFXLIB)/include
 GFXSRC +=
 
 include $(GFXLIB)/src/gdisp/gdisp.mk
+include $(GFXLIB)/src/tdisp/tdisp.mk
 include $(GFXLIB)/src/gevent/gevent.mk
 include $(GFXLIB)/src/gtimer/gtimer.mk
 include $(GFXLIB)/src/gwin/gwin.mk

include/gfx.h

@@ -109,6 +109,7 @@
 #include "gdisp/gdisp.h"
 #include "gwin/gwin.h"
 #include "ginput/ginput.h"
+#include "tdisp/tdisp.h"
 
 #endif /* _GFX_H */
 /** @} */

include/tdisp/lld/tdisp_lld.h

@@ -0,0 +1,51 @@
+/*
+    ChibiOS/GFX - Copyright (C) 2012
+                 Joel Bodenmann aka Tectu <joel@unormal.org>
+
+    This file is part of ChibiOS/GFX.
+
+    ChibiOS/GFX is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 3 of the License, or
+    (at your option) any later version.
+
+    ChibiOS/GFX is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+/**
+ * @file    include/tdisp/lld/tdisp_lld.h
+ * @brief   TDISP driver subsystem low level driver header.
+ *
+ * @addtogroup TDISP
+ * @{
+ */
+
+#ifndef _TDISP_LLD_H
+#define _TDISP_LLD_H
+
+#if GFX_USE_TDISP || defined(__DOXYGEN__)
+
+#include "tdisp_lld_config.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+extern bool_t foo(void);
+extern void write_cmd(uint8_t data);
+extern void write_data(uint8_t data);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* GFX_USE_TDISP */
+
+#endif /* _TDISP_LLD_H */
+

include/tdisp/tdisp.h

@@ -0,0 +1,56 @@
+/*
+    ChibiOS/GFX - Copyright (C) 2012
+                 Joel Bodenmann aka Tectu <joel@unormal.org>
+
+    This file is part of ChibiOS/GFX.
+
+    ChibiOS/GFX is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 3 of the License, or
+    (at your option) any later version.
+
+    ChibiOS/GFX is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+/**
+ * @file    include/tdisp/tdisp.h
+ * @brief   TDISP Graphic Driver subsystem header file.
+ *
+ * @addtogroup TDISP
+ *
+ * @details		The TDISP module provides high level abstraction to interface pixel oriented graphic displays.
+ *
+ * @pre			GFX_USE_TDISP must be set to TRUE in gfxconf.h
+ *
+ * @{
+ */
+
+#ifndef _TDISP_H
+#define _TDISP_H
+
+#include "gfx.h"
+
+#if GFX_USE_TDISP || defined(__DOXYGEN__)
+
+/* Include the low level driver information */
+#include "tdisp/lld/tdisp_lld.h"
+
+bool_t tdispInit(void);
+void tdispClear(void);
+void tdispHome(void);
+void tdispGotoXY(coord_t col, coord_t row);
+void tdispDrawChar(char c);
+void tdispDrawString(char *s);
+void tdispDrawCharLocation(coord_t x, coord_t y, char c);
+void tdispDrawStringLocation(coord_t x, coord_t y, char *s);
+
+#endif /* GFX_USE_TDISP */
+
+#endif /* _TDISP_H */
+

src/tdisp/tdisp.c

@@ -0,0 +1,78 @@
+/*
+    ChibiOS/GFX - Copyright (C) 2012
+                 Joel Bodenmann aka Tectu <joel@unormal.org>
+
+    This file is part of ChibiOS/GFX.
+
+    ChibiOS/GFX is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 3 of the License, or
+    (at your option) any later version.
+
+    ChibiOS/GFX is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+/**
+ * @file    src/tdisp/tdisp.c
+ * @brief   TDISP Driver code.
+ *
+ * @addtogroup TDISP
+ * @{
+ */
+#include "ch.h"
+#include "hal.h"
+#include "gfx.h"
+
+#if GFX_USE_TDISP || defined(__DOXYGEN__)
+
+bool_t tdispInit(void) {
+	bool_t ret;
+
+	ret = TDISP_LLD(init)();
+
+	return ret;
+}
+
+void tdispClear(void) {
+	TDISP_LLD(write_cmd)(0x01);
+}
+
+void tdispHome(void) {
+	TDISP_LLD(write_cmd)(0x02);
+}
+
+void tdispGotoXY(coord_t col, coord_t row) {
+	uint8_t row_offsets[] = { 0x00, 0x40, 0x14, 0x54 };
+
+	TDISP_LLD(write_cmd)(0x80 | (col + row_offsets[row]));
+}
+
+void tdispDrawChar(char c) {
+	TDISP_LLD(write_data)(c);
+}
+
+void tdispDrawString(char *s) {
+	char c;
+
+	while(c = s++)
+		tdispDrawChar(c);	
+}
+
+void tdispDrawCharLocation(coord_t x, coord_t y, char c) {
+	tdispGotoXY(x, y);
+	tdispDrawChar(c);
+}
+
+void tdispDrawStringLocation(coord_t x, coord_t y, char *s) {
+	tdispGotoXY(x, y);
+	tdispDrawString(s);
+}
+
+#endif /* GFX_USE_TDISP */
+

src/tdisp/tdisp.mk

@@ -0,0 +1,2 @@
+GFXSRC +=	$(GFXLIB)/src/tdisp/tdisp.c
+